As I don't have cable or satellite I can't record the following programme SUNDAY 15 OCTOBER on the National Geographic channel at
10.00am The Sea Hunters: Still On Patrol - 'The Hunt For Hitler's U-boat 215'

This episode deals with the wreck of U-215, which was sunk by the armed trawler HMS Le Tigre

The Liberty ship ss Alexander Macomb was attacked and sunk by U-215 while in convoy BA-2 from New York to Halifax, Nova Scotia 3/7/1942, Two escorts rescued the survivors. HMCS Regina recovered 25 men and HMT. Le Tiger found 31. It was while she was carrying out this mercy mission that the ASDIC operator detected positive responses from a submerged U-Boat and Le Tiger went to action stations sinking U-215, her commander K.K. Hoeckner and his crew of 47